PLT-6406 Migrate new channel modal to be pure and use redux (#6416)

* Migrate new channel modal to be pure and use redux

* Add component tests

1 files changed, 391 insertions, 0 deletions

diff --git a/webapp/components/new_channel_modal/new_channel_modal.jsx b/webapp/components/new_channel_modal/new_channel_modal.jsx
new file mode 100644
index 000000000..48c2ddd15
--- /dev/null
+++ b/webapp/components/new_channel_modal/new_channel_modal.jsx
@@ -0,0 +1,391 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import $ from 'jquery';
+import ReactDOM from 'react-dom';
+
+import {getShortenedURL} from 'utils/url.jsx';
+import * as UserAgent from 'utils/user_agent.jsx';
+import * as Utils from 'utils/utils.jsx';
+import * as ChannelUtils from 'utils/channel_utils.jsx';
+import Constants from 'utils/constants.jsx';
+
+import {FormattedMessage} from 'react-intl';
+
+import {Modal} from 'react-bootstrap';
+
+import React from 'react';
+import PropTypes from 'prop-types';
+
+export default class NewChannelModal extends React.PureComponent {
+    static propTypes = {
+
+        /**
+         * Set whether to show the modal or not
+         */
+        show: PropTypes.bool.isRequired,
+
+        /**
+         * The type of channel to create, 'O' or 'P'
+         */
+        channelType: PropTypes.string.isRequired,
+
+        /**
+         * The data needed to create the channel
+         */
+        channelData: PropTypes.object.isRequired,
+
+        /**
+         * Set to force form submission on CTRL/CMD + ENTER instead of ENTER
+         */
+        ctrlSend: PropTypes.bool,
+
+        /**
+         * Set to show options available to team admins
+         */
+        isTeamAdmin: PropTypes.bool,
+
+        /**
+         * Set to show options available to system admins
+         */
+        isSystemAdmin: PropTypes.bool,
+
+        /**
+         * Server error from failed channel creation
+         */
+        serverError: PropTypes.node,
+
+        /**
+         * Function used to submit the channel
+         */
+        onSubmitChannel: PropTypes.func.isRequired,
+
+        /**
+         * Function to call when modal is dimissed
+         */
+        onModalDismissed: PropTypes.func.isRequired,
+
+        /**
+         * Function to call when modal has exited
+         */
+        onModalExited: PropTypes.func,
+
+        /**
+         * Function to call to switch channel type
+         */
+        onTypeSwitched: PropTypes.func.isRequired,
+
+        /**
+         * Function to call when edit URL button is pressed
+         */
+        onChangeURLPressed: PropTypes.func.isRequired,
+
+        /**
+         * Function to call when channel data is modified
+         */
+        onDataChanged: PropTypes.func.isRequired
+    }
+
+    constructor(props) {
+        super(props);
+
+        this.handleSubmit = this.handleSubmit.bind(this);
+        this.handleChange = this.handleChange.bind(this);
+        this.onEnterKeyDown = this.onEnterKeyDown.bind(this);
+
+        this.state = {
+            displayNameError: ''
+        };
+    }
+
+    componentWillReceiveProps(nextProps) {
+        if (nextProps.show === true && this.props.show === false) {
+            this.setState({
+                displayNameError: ''
+            });
+
+            document.addEventListener('keydown', this.onEnterKeyDown);
+        } else if (nextProps.show === false && this.props.show === true) {
+            document.removeEventListener('keydown', this.onEnterKeyDown);
+        }
+    }
+
+    componentDidMount() {
+        // ???
+        if (UserAgent.isInternetExplorer()) {
+            $('body').addClass('browser--ie');
+        }
+    }
+
+    onEnterKeyDown(e) {
+        if (this.props.ctrlSend && e.keyCode === Constants.KeyCodes.ENTER && e.ctrlKey) {
+            this.handleSubmit(e);
+        } else if (!this.props.ctrlSend && e.keyCode === Constants.KeyCodes.ENTER && !e.shiftKey && !e.altKey) {
+            this.handleSubmit(e);
+        }
+    }
+
+    handleSubmit(e) {
+        e.preventDefault();
+
+        const displayName = ReactDOM.findDOMNode(this.refs.display_name).value.trim();
+        if (displayName.length < Constants.MIN_CHANNELNAME_LENGTH) {
+            this.setState({displayNameError: true});
+            return;
+        }
+
+        this.props.onSubmitChannel();
+    }
+
+    handleChange() {
+        const newData = {
+            displayName: this.refs.display_name.value,
+            header: this.refs.channel_header.value,
+            purpose: this.refs.channel_purpose.value
+        };
+        this.props.onDataChanged(newData);
+    }
+
+    render() {
+        var displayNameError = null;
+        var serverError = null;
+        var displayNameClass = 'form-group';
+
+        if (this.state.displayNameError) {
+            displayNameError = (
+                <p className='input__help error'>
+                    <FormattedMessage
+                        id='channel_modal.displayNameError'
+                        defaultMessage='Channel name must be 2 or more characters'
+                    />
+                    {this.state.displayNameError}
+                </p>
+            );
+            displayNameClass += ' has-error';
+        }
+
+        if (this.props.serverError) {
+            serverError = <div className='form-group has-error'><div className='col-sm-12'><p className='input__help error'>{this.props.serverError}</p></div></div>;
+        }
+
+        let createPublicChannelLink = (
+            <a
+                href='#'
+                onClick={this.props.onTypeSwitched}
+            >
+                <FormattedMessage
+                    id='channel_modal.publicChannel1'
+                    defaultMessage='Create a public channel'
+                />
+            </a>
+        );
+
+        let createPrivateChannelLink = (
+            <a
+                href='#'
+                onClick={this.props.onTypeSwitched}
+            >
+                <FormattedMessage
+                    id='channel_modal.privateGroup2'
+                    defaultMessage='Create a private channel'
+                />
+            </a>
+        );
+
+        const isAdmin = this.props.isTeamAdmin || this.props.isSystemAdmin;
+
+        if (!ChannelUtils.showCreateOption(Constants.OPEN_CHANNEL, isAdmin, this.props.isSystemAdmin)) {
+            createPublicChannelLink = null;
+        }
+
+        if (!ChannelUtils.showCreateOption(Constants.PRIVATE_CHANNEL, isAdmin, this.props.isSystemAdmin)) {
+            createPrivateChannelLink = null;
+        }
+
+        var channelSwitchText = '';
+        switch (this.props.channelType) {
+        case 'P':
+            channelSwitchText = (
+                <div className='modal-intro'>
+                    <FormattedMessage
+                        id='channel_modal.privateGroup1'
+                        defaultMessage='Create a new private channel with restricted membership. '
+                    />
+                    {createPublicChannelLink}
+                </div>
+            );
+            break;
+        case 'O':
+            channelSwitchText = (
+                <div className='modal-intro'>
+                    <FormattedMessage
+                        id='channel_modal.publicChannel2'
+                        defaultMessage='Create a new public channel anyone can join. '
+                    />
+                    {createPrivateChannelLink}
+                </div>
+            );
+            break;
+        }
+
+        const prettyTeamURL = getShortenedURL();
+
+        return (
+            <span>
+                <Modal
+                    dialogClassName='new-channel__modal'
+                    show={this.props.show}
+                    bsSize='large'
+                    onHide={this.props.onModalDismissed}
+                    onExited={this.props.onModalExited}
+                >
+                    <Modal.Header closeButton={true}>
+                        <Modal.Title>
+                            <FormattedMessage
+                                id='channel_modal.modalTitle'
+                                defaultMessage='New Channel'
+                            />
+                        </Modal.Title>
+                    </Modal.Header>
+                    <form
+                        role='form'
+                        className='form-horizontal'
+                    >
+                        <Modal.Body>
+                            <div>
+                                {channelSwitchText}
+                            </div>
+                            <div className={displayNameClass}>
+                                <label className='col-sm-3 form__label control-label'>
+                                    <FormattedMessage
+                                        id='channel_modal.name'
+                                        defaultMessage='Name'
+                                    />
+                                </label>
+                                <div className='col-sm-9'>
+                                    <input
+                                        onChange={this.handleChange}
+                                        type='text'
+                                        ref='display_name'
+                                        className='form-control'
+                                        placeholder={Utils.localizeMessage('channel_modal.nameEx', 'E.g.: "Bugs", "Marketing", "客户支持"')}
+                                        maxLength={Constants.MAX_CHANNELNAME_LENGTH}
+                                        value={this.props.channelData.displayName}
+                                        autoFocus={true}
+                                        tabIndex='1'
+                                    />
+                                    {displayNameError}
+                                    <p className='input__help dark'>
+                                        {'URL: ' + prettyTeamURL + this.props.channelData.name + ' ('}
+                                        <a
+                                            href='#'
+                                            onClick={this.props.onChangeURLPressed}
+                                        >
+                                            <FormattedMessage
+                                                id='channel_modal.edit'
+                                                defaultMessage='Edit'
+                                            />
+                                        </a>
+                                        {')'}
+                                    </p>
+                                </div>
+                            </div>
+                            <div className='form-group'>
+                                <div className='col-sm-3'>
+                                    <label className='form__label control-label'>
+                                        <FormattedMessage
+                                            id='channel_modal.purpose'
+                                            defaultMessage='Purpose'
+                                        />
+                                    </label>
+                                    <label className='form__label light'>
+                                        <FormattedMessage
+                                            id='channel_modal.optional'
+                                            defaultMessage='(optional)'
+                                        />
+                                    </label>
+                                </div>
+                                <div className='col-sm-9'>
+                                    <textarea
+                                        className='form-control no-resize'
+                                        ref='channel_purpose'
+                                        rows='4'
+                                        placeholder={Utils.localizeMessage('channel_modal.purposeEx', 'E.g.: "A channel to file bugs and improvements"')}
+                                        maxLength='250'
+                                        value={this.props.channelData.purpose}
+                                        onChange={this.handleChange}
+                                        tabIndex='2'
+                                    />
+                                    <p className='input__help'>
+                                        <FormattedMessage
+                                            id='channel_modal.descriptionHelp'
+                                            defaultMessage='Describe how this channel should be used.'
+                                        />
+                                    </p>
+                                </div>
+                            </div>
+                            <div className='form-group less'>
+                                <div className='col-sm-3'>
+                                    <label className='form__label control-label'>
+                                        <FormattedMessage
+                                            id='channel_modal.header'
+                                            defaultMessage='Header'
+                                        />
+                                    </label>
+                                    <label className='form__label light'>
+                                        <FormattedMessage
+                                            id='channel_modal.optional'
+                                            defaultMessage='(optional)'
+                                        />
+                                    </label>
+                                </div>
+                                <div className='col-sm-9'>
+                                    <textarea
+                                        className='form-control no-resize'
+                                        ref='channel_header'
+                                        rows='4'
+                                        placeholder={Utils.localizeMessage('channel_modal.headerEx', 'E.g.: "[Link Title](http://example.com)"')}
+                                        maxLength='1024'
+                                        value={this.props.channelData.header}
+                                        onChange={this.handleChange}
+                                        tabIndex='2'
+                                    />
+                                    <p className='input__help'>
+                                        <FormattedMessage
+                                            id='channel_modal.headerHelp'
+                                            defaultMessage='Set text that will appear in the header of the channel beside the channel name. For example, include frequently used links by typing [Link Title](http://example.com).'
+                                        />
+                                    </p>
+                                    {serverError}
+                                </div>
+                            </div>
+                        </Modal.Body>
+                        <Modal.Footer>
+                            <button
+                                type='button'
+                                className='btn btn-default'
+                                onClick={this.props.onModalDismissed}
+                            >
+                                <FormattedMessage
+                                    id='channel_modal.cancel'
+                                    defaultMessage='Cancel'
+                                />
+                            </button>
+                            <button
+                                onClick={this.handleSubmit}
+                                type='submit'
+                                className='btn btn-primary'
+                                tabIndex='3'
+                            >
+                                <FormattedMessage
+                                    id='channel_modal.createNew'
+                                    defaultMessage='Create New Channel'
+                                />
+                            </button>
+                        </Modal.Footer>
+                    </form>
+                </Modal>
+            </span>
+        );
+    }
+}